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BQ4050: Parameter configuration

Annie Liu
Genius 10295 points
Part Number: BQ4050
Other Parts Discussed in Thread: GPCCEDV

Hi Team,

Customer would like to know the three-point parameter configuration method and specific calculation method of fixed EDV2, EDV1, EDV0.  It is better to share an example.

Thanks,

Annie

  • 0
    TI__Guru** 106130 points

    Hello Annie,

    The EDV points are found using the GPCCEDV tool, we basically take the discharge curves of the battery and find the voltage correlated to the SOC at each point, so at each of the EDV points we know what the SOC should be. We do it near the end of discharge because the slope of the voltage increases which means it leads to a more reliable reference for correcting the SOC.

    The specifics are explained in the TRM for the compensation methods.

    Sincerely,

    Wyatt Keller